The debate is scheduled for Feb. 26 at Cleveland State University and will be moderated by NBC News anchors Brian Williams and Tim Russert, The Cleveland Plain Dealer reported.

Obama's campaign said he also would participate in a debate against the senator from New York later in Texas.

"I think we said we will do two more debates, and at least one of them will be in Ohio," the Illinois senator told the Plain Dealer during a telephone interview. "I'm not sure exactly what communications have been going on between my staff and Sen. Clinton's."

United Press International is a leading provider of news, photos and information to millions of readers around the globe via UPI.com and its licensing services.

With a history of reliable reporting dating back to 1907, today's UPI is a credible source for the most important stories of the day, continually updated - a one-stop site for U.S. and world news, as well as entertainment, trends, science, health and stunning photography. UPI also provides insightful reports on key topics of geopolitical importance, including energy and security.